The largest purchase of all time was on 2011-02-07 and amounted to 4000 shares of Koss Corporation for $24,120.
The largest sale of all time was on 2021-02-01 and amounted to 30000 shares of Koss Corporation for $1.31M.
No biography is available at this moment.
| 2021-05-28 | Sale | Koss Corporation KOSS | director | 10,000 0.1194% | $23.58 | $235,800 | -38.27% | |
| 2021-02-01 | Sale | Koss Corporation KOSS | director | 30,000 0.4632% | $43.78 | $1.31M | -48.8% | |
| 2015-11-17 | Koss Corporation KOSS | director | 4,799 0.0749% | $2.49 | $11,942 | -3.24% | ||
| 2015-11-16 | Koss Corporation KOSS | director | 201 0.0027% | $2.12 | $426 | -1.42% | ||
| 2015-02-11 | Koss Corporation KOSS | director | 5,000 0.0693% | $2.17 | $10,845 | +10.38% | ||
| 2014-11-05 | Koss Corporation KOSS | director | 8,000 0.0975% | $1.35 | $10,800 | +56% | ||
| 2013-11-22 | Koss Corporation KOSS | director | 2,000 0.0272% | $4.90 | $9,800 | -20.19% | ||
| 2011-02-07 | Koss Corporation KOSS | director | 4,000 0.054% | $6.03 | $24,120 | +0.19% | ||
| 2009-11-05 | Koss Corporation KOSS | director | 200 0.0054% | $11.75 | $2,350 | -4.15% | ||
| 2009-11-04 | Koss Corporation KOSS | director | 1,600 0.0453% | $11.55 | $18,480 | +1.83% | ||
| 2009-10-20 | Koss Corporation KOSS | director | 1,240 0.0338% | $12.00 | $14,880 | -5.46% | ||
| 2009-03-25 | Koss Corporation KOSS | director | 646 0.0175% | $11.25 | $7,268 | +9.29% | ||
| 2009-03-18 | Koss Corporation KOSS | director | 314 0.0085% | $11.25 | $3,533 | +9.38% | ||
| 2008-05-14 | Koss Corporation KOSS | director | 600 0.0165% | $16.03 | $9,620 | -9.61% | ||
| 2008-03-06 | Koss Corporation KOSS | director | 600 0.016% | $18.10 | $10,860 | -19.43% | ||
| 2008-02-13 | Koss Corporation KOSS | director | 200 0.0054% | $17.50 | $3,500 | -11.88% | ||
| 2007-10-19 | Koss Corporation KOSS | director | 400 0.0109% | $18.10 | $7,240 | +0.37% | ||
| 2007-08-20 | Koss Corporation KOSS | director | 200 0.0054% | $20.35 | $4,070 | -6.4% | ||
| 2007-05-07 | Koss Corporation KOSS | director | 400 0.011% | $19.73 | $7,892 | -0.95% | ||
| 2007-02-12 | Koss Corporation KOSS | director | 82 0.0022% | $21.32 | $1,748 | -8.18% |